Study on Mechanical Behavior of Fully Encased Composite Slender Columns with High-Strength Concrete Using FEM Simulation

Table 10

Effect of concrete compressive strength on the peak load capacity of slender columns.

Column type	Column ID	Peak axial load (Nnum)	Percent difference (%)	Column type	Column ID	Peak axial load (Nnum)	Percent difference (%)
Control RCC	RCH1S1	7442.67	—	FECC-I	ISHC1S1	8074.95	—
	RCH2S1	7896.18	6.09		ISHC2S1	8745.25	8.3
	RCH3S1	8896.69	19.54		ISHC3S1	9800.41	21.37
FECC-C	CSHC1S1	8320.52	—		RSHC1S1	7649.10	—
	CSHC2S1	8799.52	5.76		RSHC1S1	8165.45	6.75
	CSHC3S1	9898.05	18.96		RSHC1S1	9108.08	19.07